| PK Cook Construction Limited | Construction | 2016 |
| Pkse Project Planning Services Ltd | Professional & scientific | 2019 |
| PL Plastsurg Limited | Health & social care | 2024 |
| Plaistowe Limited | Construction | 1997 |
| Planifier Limited | Professional & scientific | 2018 |
| Plat DU Jour Restaurants Ltd | Hospitality | 2023 |
| Platform 17 Management Company Limited | Real estate | 2006 |
| Platinum Skip Hire Hull Ltd | Water & waste | 2021 |
| Platinum Villas Global Ltd | Hospitality | 2022 |
| Plug N Play Solutions Ltd | Manufacturing | 2021 |
| PM Quantity Surveying (Pmqs) Ltd | Professional & scientific | 2018 |
| PMA Consultancy Ltd | Water & waste | 2012 |
| Pmac Energy Limited | Administrative & support | 2013 |
| PNG Export Services Limited | Hospitality | 2019 |
| Pocket Property Ltd | Real estate | 2017 |
| Point of Hair Limited | Other services | 2023 |
| Pooch N Purr Hotel Limited | Other services | 2020 |
| Poor BOI Interior Solutions Limited | Construction | 2023 |
| Pope Funeral Services Limited | Other services | 2013 |
| Pople Landscapes Limited | Extraterritorial | 2014 |
| Port of Call (Hornsea) Ltd | Hospitality | 2015 |
| Positional Property Ltd | Real estate | 2023 |
| Power Health Holdings Limited | Financial services | 2026 |
| PPB Developments Limited | Real estate | 2024 |
| PPB Group Limited | Construction | 2018 |
| Practical Motorists (Bridlington) Limited | Wholesale & retail | 2008 |
| Premier Executive Chauffeur Services Limited | Other services | 2007 |
| Prescott (Hornsea) Property Limited | Real estate | 2007 |
| Press Photographers Year Ltd | Information & communication | 2006 |
| Prestige Displays Ltd | Manufacturing | 2024 |
| Prestige GAS UK Ltd | Construction | 2009 |
| Prestons Cars Limited | Wholesale & retail | 2015 |
| PRH Builders Ltd | Construction | 2020 |
| Pride Electrical Contractors Ltd | Construction | 2009 |
| Priestgate Lodge Management Company Limited | Real estate | 2006 |
| Primestone Building Ltd | Construction | 2007 |
| Pristine Green Limited | Wholesale & retail | 2024 |
| Pro AI Ltd | Information & communication | 2020 |
| Pro-Fusion Education Limited | Administrative & support | 2018 |
| Process Black Limited | Professional & scientific | 2013 |
| Professional Energy Management Limited | Professional & scientific | 2014 |
| Professional Mechanical Engineering Group Limited | Professional & scientific | 2021 |
| Proma (Design) Limited | Construction | 2007 |
| Proma Boatman Limited | Construction | 2016 |
| Proper Creationz Ltd | Arts & recreation | 2021 |
| Proper Creative Ltd | Professional & scientific | 2020 |
| Properoof Ltd | Construction | 2013 |
| Properway Ltd | Real estate | 2004 |
| Proplant Services Limited | Administrative & support | 2000 |
| Protech Formulations Limited | Extraterritorial | 2002 |
| Protectu H&S Consultancy Ltd | Professional & scientific | 2023 |
| PS Artbooks Ltd | Wholesale & retail | 2019 |
| PSC Commercial Limited | Professional & scientific | 2025 |
| PSS Financial Solutions Ltd | Financial services | 2013 |
| Psychaid Learning Ltd | Information & communication | 2026 |
| PTL Consultants Limited | Professional & scientific | 2014 |
| PTL Plumbing and Heating Limited | Construction | 2026 |
| Pulsare Ltd | Information & communication | 2013 |
| Pulsare Software Ltd | Information & communication | 2024 |
| Pure Asset Management Limited | Professional & scientific | 2011 |
| Pure Balance Sales & Marketing Limited | Wholesale & retail | 2023 |
| Pure Gold Plating Limited | Construction | 2016 |
| Pure Property Portfolio Ltd | Real estate | 2018 |
| Purely Payroll Services Ltd | Professional & scientific | 2022 |
| Purity Pro Group Ltd | Administrative & support | 2026 |
| Q H Events Catering Limited | Hospitality | 2020 |
| QHS Services Ltd | Health & social care | 2023 |
| Quality Food Training U.K. Limited | Education | 1994 |
| Quantum Leaping Ltd | Information & communication | 2025 |
| Queensgate Luxury Holiday Lets Limited | Hospitality | 2021 |
| Queenstown Mews Limited | Real estate | 2025 |
| Quilters Question Time Limited | Education | 2019 |
| R & C Contractors Ltd | Construction | 2015 |
| R Bell Surgical Services Ltd | Health & social care | 2024 |
| R G Caley Limited | Agriculture & fishing | 2010 |
| R M Aviation Limited | Administrative & support | 2011 |
| R T Feeds Limited | Wholesale & retail | 2002 |
| R&S Bricks & Mortar Ltd | Real estate | 2022 |
| R. Marginson (Farmers) Limited | Agriculture & fishing | 1977 |
| R.G.W. Bespoke Joinery Ltd | Construction | 2022 |
| R.S. Croft (Farmers) Limited | Agriculture & fishing | 2000 |
| R.S.P Access and Maintenance Services Ltd | Manufacturing | 2026 |
| R5 Investments Limited | Financial services | 2022 |
| R63 Properties Limited | Real estate | 2025 |
| R89 Limited | Real estate | 2026 |
| Rachel Miller Cleaning Services Ltd | Administrative & support | 2026 |
| Raci Group Ltd | Financial services | 2024 |
| Racing Stables Management Limited | Households | 1992 |
| Radd Solutions Limited | Information & communication | 2016 |
| Radical Botany Ltd | Manufacturing | 2021 |
| RAH Holdings Group Limited | Professional & scientific | 2025 |
| Railway Inn Apartments Company Limited | Households | 2005 |
| Rain YAN Catering Ltd | Manufacturing | 2024 |
| Rainy Days Hub Limited | Arts & recreation | 2019 |
| Ralph & Albert Ltd | Wholesale & retail | 2023 |
| Ramlea Limited | Hospitality | 2024 |
| Rapid Pizza Limited | Hospitality | 2025 |
| Rare Earth Merchants Ltd | Water & waste | 2020 |
| Ratkinson Ltd | Agriculture & fishing | 2025 |
| Ravensdale Consultancy Limited | Professional & scientific | 2025 |